Improvement in coiled-wire brushes



J. B. CHRISTFFEL.

Cuiled Wi'r-e Brushes.

Patented April 29` 11873.

IES..

UNITED STATES PATENT OFFICE.

JOHN B. OHRISTOFFEL, OF WIVLLIAMSBURG, NEW YORK.

IMPROVEMENT IN COILED-WIRE BRUSHES.

' Speciicationvformin g part of Letters Patent No. 138,317, dated April 29, 1873; application led February 15, 1873.

To all whom t may concern:

Be it known that I, JOHN B. CHRIsToEFEL,

of Williamsburg, in the county of Kings and State of New York, have invented a new and useful Improvement in Ooiled-Wire Brush,I of which the following is a specification:

Figure l is an end view of my improved brush. Fig. 2 is a side view of the same. Fig. 3 is a detail view of the parts before they are connected together. Fig. 4 is an end view of the parts brought together in position for twisting.

Similar letters of reference indica-te correspondin g parts.

My invention hasr for its object to furnish an immoved wire brush, the brush of which shall be formed of coiled wire, and which shall be flexible, so that it may be readily used in diiferent-sized tubes, and which shall be simple in construction, durable, and not liable to get out of order. The invention consists in an improved coiled-wire brush, formed by the combination of one or more coiled wires with two or more twisted wires, as hereinafter fully described.

A are the wires which are twisted together to confine the coiled wire B. The wire B may be round or fia-t, as may be desired, and is coiled upon a spindle, or other former. The

coiled wire B is then slipped from the spindle and placed upon one of the wires A. Two wires, A, may be used and one coil, B, to form a single brush. Or four wires, A, and two coils, B, may be used to form a double brush, as may be desired. The size of the wires A B must depend upon the use for which the brush is intended. When the coil or coils B and the wires A have been brought together, as shown in Fig. 4,'the wires A are twisted, which brings the coil or coils B into a spiral form around the wires A, as shown in Fig. 2, the coil or coils resembling a series of rings overlapping each other, andsecured at their inner sides to the wires A.

This construction makes the brush very exible, the coils of the coiled wires B inclining freely in either direction, and their outer sides pressing against the surface of the tube clean it quickly and eifectively.

When a flat wire is used for the coils B the coils will present an edge to the surface of the tube, cleaning said surface very quickly.

The wires A may be twisted for a sufficient distance below the coils B to make the stem thus formed long enough to serve as a handle; or said stem may be made short to receive a long nut or socket to adapt it to be connected with the end of a rod.

The brush A B is designed to be used for cleaning boiler-tubes, cannons, and for various other uses.

Having thus described my invention, what Iuclaim as new, and desire to secure by Letters Patent, is-

`An improved coiled-wire brush, formed by the combination of one or more coiled wires, B, with two or more twisted wires, A, substantially as herein shown and described.

JOHN B. GHRISTOFFEL.

Witnesses:

JAMEs T. GRAHAM, T. B. MOSHER. 

